Home / 8,674.47-13,011.71-2,100.65

Finding the Fourth Proportional to 8,674.47, 13,011.71 and 2,100.65

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Solution

The fourth proportional to 8,674.47, 13,011.71 and 2,100.65 is: 3,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.47 : 13,011.71 = 2,100.65 : x
  2. Step 2: Convert to fraction form
    8,674.47/13,011.71 = 2,100.65/x
  3. Step 3: Cross multiply
    8,674.47x = 13,011.71 × 2,100.65
  4. Step 4: Simplify right side
    8,674.47x = 27,332,973.05
  5. Step 5: Solve for x
    x = 27,332,973.05/8,674.47
  6. Step 6: Final answer
    x = 3,150.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.